7. A new medicine has been developed and its effectiveness
has been determined by carrying out an experimental study.
30 patients were divided into groups of 20 and 10. The group
having 20, were given medicine while the other group dint
get any medication. The results obtained where as follows:-
Medication
Non-medication
Improved 8
2
Unimproved 12
8
Based on data, I think medication was:-
- 2 Answers
- 4959 Views
- I also Faced
- E-Mail Answers
Answer Posted / piyush
Ans (a) somewhat effective as in 8 patients improved while
in other only 2 improved.
(b) Basically ineffective because difference
between improved and unimproved where 6 and 4 respectively.
(c) Basically ineffective because in the control
group, also 2 patients improved without taking any medicine.
(d) Somewhat effective because 40% of the students
improved in medication (8/20), and only 20% improved in case
of control (2/10).
| Is This Answer Correct ? | 2 Yes | 0 No |
Post New Answer View All Answers
(7*7=49)(4*9=36)(3*6=18) (1*8=8)
find R,M,(..),F,D,(..)
If x,y,z are three consecutive natural numbers, which of the following numbers should be x+y+z
Can someone please send me the question paper for graduate level both tier 1 and tier 2 with detailed solution of maths exam (Tier 2). Please,suggest me the ways and books to prepare for this exam.Please, send this answer on my email Id
hoe 1000000000 can be written as a product of two factors neither of them containing zeros
What is the probability of getting 3 or 4 in 3 consecutive rolls of a dice ?
Rohan bought some rice at Rs. 10 per kilogram. He buys 2 kg rice from a ration store at the rate of Rs. 8 per kilogram. He mixes the two type of rice and sells at Rs. 11 per kilogram. He makes 25% profit. What is the ratio of non-ration to ration rice?
Four Members A, B, C, D are playing a game .A person losing a game should double the amount of others .B, C, D are losing in order after three games .The amount after 3 games are A&B having 40,D is having 16&C 80. Who started with small amount of money?
X < 0, Y <> 0 then what is the possibility that the result is always positive?
In a queue, a man is standing at the position 10th from the front and 15th from behind. How many persons are standing in the queue?
A man ate 100 bananas in five days, each day eating 6 more than the previous day. How many bananas did he eat on the first day?
A certain quantity of milk is found to be adulterated to the extent of 10%. What proportion of the adulterated milk should be replaced with pure milk to take the purity level to 98%?
Imagine 4 persons A,B,C,D.(It is a strength determining game). A found it hard,but could pull 'c' and 'd' to his side. AC and BD pairs on opposite sides found themselves equally balanced. When A and B exchanged their positions to form pairs AD and BC ,BC pair could win and pull AD to their side.Order the 4 persons in Ascending order according to their strengths.
Draw venn diagram relating rhombus, quadrilateral & polygon
What percent of 60 is 12?
